CHONGQING -- China said it welcomes U.S. companies to take full advantage of the country's high-tech boom, following U.S. President Donald Trump's recent tweet ordering American companies to leave China amid an escalating trade war between the world's two largest economies.
"Technology development shall not be limited by boundaries," Liu He, Chinese vice premier and Beijing's key trade negotiator, said on Monday at the Smart China Expo in Chongqing.